I'll get my get back - You promise to come back and mess with them even harder than

You promise to come back and mess with them even harder than they messed with you.

You laughed at my joke? I'll get my get back by telling your mom your secret.

You took my seat? I'll get my get back by making you sit in the hallway.

You called me a nerd? I'll get my get back by turning your hair pink.